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Finding the Fourth Proportional to 271,892.43, 375,218.37 and 151,027.92

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Solution

The fourth proportional to 271,892.43, 375,218.37 and 151,027.92 is: 208,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,892.43 : 375,218.37 = 151,027.92 : x
  2. Step 2: Convert to fraction form
    271,892.43/375,218.37 = 151,027.92/x
  3. Step 3: Cross multiply
    271,892.43x = 375,218.37 × 151,027.92
  4. Step 4: Simplify right side
    271,892.43x = 56,668,449,966.89
  5. Step 5: Solve for x
    x = 56,668,449,966.89/271,892.43
  6. Step 6: Final answer
    x = 208,422.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.